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{{Infobox IOS
| version = v31337
| type = Temporary IOS
}}
'''IOS255''' is a temporary [[IOS]], created by older versions of "[[xyzzy]]", that sometimes remains in the [[NAND]]. It can be safely deleted.
=== How it works ===
The reason for the IOS being there, becomes clear when you look at how "xyzzy" used to work. The following is taken from [https://hackmii.com/2008/07/xyzzy/ hackmii.com]:
* Download IOS11 from the Nintendo Update Server
* Patch it to remove the MEM2 protection (so the PPC can access all 64MB of it)
* Patch it to allow it to delete itself later using ES_DeleteTitle()
* '''Find an unused IOS slot (counting downward from IOS255)'''
* Install the hacked IOS11 there
* Reboot into the hacked IOS
* Copy the private key structure from the IOS address space into MEM1
* Reboot back into a sane IOS
* Delete the temporary, hacked IOS
* Display the keys on screen
* Try to write them to a file on the SD card — keys.txt
* Pause for 60 seconds to allow you to copy the keys down using pen and paper,if necessary
{| class="wikitable"
|-
! Version
! [[Signing bug]]?
! [[STM Release Exploit]]?
! Notes
|-
| v31337
| Yes
| Yes
| Temporary IOS, created by old versions of xyzzy.
|}
{{Navbox IOS}}
| version = v31337
| type = Temporary IOS
}}
'''IOS255''' is a temporary [[IOS]], created by older versions of "[[xyzzy]]", that sometimes remains in the [[NAND]]. It can be safely deleted.
=== How it works ===
The reason for the IOS being there, becomes clear when you look at how "xyzzy" used to work. The following is taken from [https://hackmii.com/2008/07/xyzzy/ hackmii.com]:
* Download IOS11 from the Nintendo Update Server
* Patch it to remove the MEM2 protection (so the PPC can access all 64MB of it)
* Patch it to allow it to delete itself later using ES_DeleteTitle()
* '''Find an unused IOS slot (counting downward from IOS255)'''
* Install the hacked IOS11 there
* Reboot into the hacked IOS
* Copy the private key structure from the IOS address space into MEM1
* Reboot back into a sane IOS
* Delete the temporary, hacked IOS
* Display the keys on screen
* Try to write them to a file on the SD card — keys.txt
* Pause for 60 seconds to allow you to copy the keys down using pen and paper,if necessary
{| class="wikitable"
|-
! Version
! [[Signing bug]]?
! [[STM Release Exploit]]?
! Notes
|-
| v31337
| Yes
| Yes
| Temporary IOS, created by old versions of xyzzy.
|}
{{Navbox IOS}}